/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --dark-border: #334155;
    --light-bg: #ffffff;
    --light-surface: #f8fafc;
    --light-border: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --success-color: #22c55e;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--light-bg);
    overflow-x: hidden;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    body {
        background: var(--dark-bg);
        color: var(--light-surface);
    }
    
    .navbar {
        background: var(--dark-surface);
        border-bottom: 1px solid var(--dark-border);
    }
    
    .nav-link {
        color: var(--text-light);
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--light-surface);
    }
    
    .section {
        background: var(--dark-bg);
    }
    
    .feature-card,
    .tool-panel,
    .input-panel,
    .output-panel,
    .algo-card,
    .tip-card {
        background: var(--dark-surface);
        border: 1px solid var(--dark-border);
        color: var(--light-surface);
    }
    
    textarea,
    select,
    .form-control {
        background: var(--dark-bg);
        border: 1px solid var(--dark-border);
        color: var(--light-surface);
    }
    
    textarea:focus,
    select:focus,
    .form-control:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--light-surface);
    border-bottom: 1px solid var(--light-border);
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(248, 250, 252, 0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-secondary);
    transition: var(--transition);
}

/* Main Content */
.main-content {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

.section {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
    display: none;
}

.section.active {
    display: block;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.encryption-animation {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lock-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 2rem;
    z-index: 2;
    position: relative;
}

.encryption-waves {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0.3;
    animation: wave 2s infinite ease-in-out;
}

.encryption-waves:nth-child(2) {
    animation-delay: 0.5s;
}

.encryption-waves:nth-child(3) {
    animation-delay: 1s;
}

@keyframes wave {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.1;
    }
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Tool Containers */
.tool-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.tool-panel {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    height: fit-content;
    box-shadow: var(--shadow-sm);
}

.panel-header {
    margin-bottom: 1.5rem;
}

.panel-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #059669;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #16a34a;
    transform: translateY(-1px);
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background: #d97706;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--light-border);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background: var(--light-surface);
    color: var(--text-primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Crypto Workspace */
.crypto-workspace {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-panel,
.output-panel {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.panel-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
    font-family: 'Inter', monospace;
    font-size: 0.875rem;
    resize: vertical;
    transition: var(--transition);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.crypto-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
}

/* Key Display */
.key-display,
.key-status {
    background: var(--light-bg);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
    padding: 1rem;
    font-family: monospace;
    font-size: 0.75rem;
    word-break: break-all;
}

.key-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.key-value {
    color: var(--text-primary);
}

/* File Tool Container */
.file-tool-container {
    max-width: 800px;
    margin: 0 auto;
}

.file-upload-area {
    border: 2px dashed var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    margin-bottom: 2rem;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.file-icon {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.file-name {
    font-weight: 500;
    color: black;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.file-remove {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.file-remove:hover {
    background: rgba(239, 68, 68, 0.1);
}

.encryption-controls {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
}

.algorithm-selector {
    margin-bottom: 1.5rem;
}

.radio-group {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: black;
}

.radio-custom {
    width: 16px;
    height: 16px;
    border: 2px solid var(--light-border);
    border-radius: 50%;
    position: relative;
}

.radio-option input[type="radio"] {
    display: none;
}

.radio-option input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary-color);
}

.radio-option input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
}

.file-action-buttons {
    display: flex;
    gap: 1rem;
}

/* Progress Bar */
.progress-container {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--light-border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Comparison Container */
.comparison-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
}

.test-config {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    height: fit-content;
}

.config-group {
    margin-bottom: 1.5rem;
}

.config-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.results-container {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.results-content {
    min-height: 300px;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Learning Container */
.learning-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.algorithm-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.algo-card {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.algo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.algo-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
}

.algo-type {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.algo-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.algo-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.spec {
    text-align: center;
    padding: 0.75rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.spec-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.spec-value {
    font-weight: 600;
    color: var(--text-primary);
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.pros h4,
.cons h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.pros h4 {
    color: var(--success-color);
}

.cons h4 {
    color: var(--danger-color);
}

.pros ul,
.cons ul {
    list-style: none;
    padding: 0;
}

.pros li,
.cons li {
    padding: 0.25rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pros li::before {
    content: '✓';
    color: var(--success-color);
    margin-right: 0.5rem;
}

.cons li::before {
    content: '✗';
    color: var(--danger-color);
    margin-right: 0.5rem;
}

.security-tips {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
}

.security-tips h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.tip-card {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.tip-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tip-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tip-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--dark-surface);
    color: var(--light-surface);
    padding: 3rem 1rem 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    padding: 0.25rem 0;
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
    color: var(--text-light);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-border);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--light-surface);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .tool-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .crypto-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .comparison-container {
        grid-template-columns: 1fr;
    }
    
    .algorithm-cards {
        grid-template-columns: 1fr;
    }
    
    .pros-cons {
        grid-template-columns: 1fr;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .file-action-buttons {
        flex-direction: column;
    }
    
    .radio-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .tool-panel,
    .input-panel,
    .output-panel {
        padding: 1rem;
    }
    
    .file-upload-area {
        padding: 2rem 1rem;
    }
    
    .algo-card {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-success {
    color: var(--success-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-danger {
    color: var(--danger-color);
}

.bg-primary {
    background: var(--primary-color);
}

.bg-secondary {
    background: var(--secondary-color);
}

.bg-success {
    background: var(--success-color);
}

.bg-warning {
    background: var(--warning-color);
}

.bg-danger {
    background: var(--danger-color);
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.flex {
    display: flex !important;
}

.grid {
    display: grid !important;
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .loading-overlay,
    .nav-toggle {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .btn {
        display: none !important;
    }
}